11003121101 has 8 divisors (see below), whose sum is σ = 13008616320. Its totient is φ = 9106031088.

The previous prime is 11003121083. The next prime is 11003121131. The reversal of 11003121101 is 10112130011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11003121101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003121131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27101081 + ... + 27101486.

It is an arithmetic number, because the mean of its divisors is an integer number (1626077040).

Almost surely, 2^11003121101 is an apocalyptic number.

It is an amenable number.

11003121101 is a deficient number, since it is larger than the sum of its proper divisors (2005495219).

11003121101 is an equidigital number, since it uses as much as digits as its factorization.

11003121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54202603.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11003121101 its reverse (10112130011), we get a palindrome (21115251112).

The spelling of 11003121101 in words is "eleven billion, three million, one hundred twenty-one thousand, one hundred one".